<style scoped>
.type--A {
    --line_color: #555555;
    --back_color: #ffecf6;
}

.type--B {
    --line_color: #1b1919;
    --back_color: #e9ecff;
}

.type--C {
    --line_color: #00135c;
    --back_color: #defffa;
}

.button {
    position: relative;
    z-index: 0;
    width: 240px;
    height: 56px;
    text-decoration: none;
    font-size: 14px;
    font-weight: bold;
    color: var(--line_color);
    letter-spacing: 2px;
    transition: all 0.3s ease;
}

.button__text {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

.button::before,
.button::after,
.button__text::before,
.button__text::after {
    content: "";
    position: absolute;
    height: 3px;
    border-radius: 2px;
    background: var(--line_color);
    transition: all 0.5s ease;
}

.button::before {
    top: 0;
    left: 54px;
    width: calc(100% - 56px * 2 - 16px);
}

.button::after {
    top: 0;
    right: 54px;
    width: 8px;
}

.button__text::before {
    bottom: 0;
    right: 54px;
    width: calc(100% - 56px * 2 - 16px);
}

.button__text::after {
    bottom: 0;
    left: 54px;
    width: 8px;
}

.button__line {
    position: absolute;
    top: 0;
    width: 56px;
    height: 100%;
    overflow: hidden;
}

.button__line::before {
    content: "";
    position: absolute;
    top: 0;
    width: 150%;
    height: 100%;
    box-sizing: border-box;
    border-radius: 300px;
    border: solid 3px var(--line_color);
}

.button__line:nth-child(1),
.button__line:nth-child(1)::before {
    left: 0;
}

.button__line:nth-child(2),
.button__line:nth-child(2)::before {
    right: 0;
}

.button:hover {
    letter-spacing: 6px;
}

.button:hover::before,
.button:hover .button__text::before {
    width: 8px;
}

.button:hover::after,
.button:hover .button__text::after {
    width: calc(100% - 56px * 2 - 16px);
}

.button__drow1,
.button__drow2 {
    position: absolute;
    z-index: -1;
    border-radius: 16px;
    transform-origin: 16px 16px;
}

.button__drow1 {
    top: -16px;
    left: 40px;
    width: 32px;
    height: 0;
    transform: rotate(30deg);
}

.button__drow2 {
    top: 44px;
    left: 77px;
    width: 32px;
    height: 0;
    transform: rotate(-127deg);
}

.button__drow1::before,
.button__drow1::after,
.button__drow2::before,
.button__drow2::after {
    content: "";
    position: absolute;
}

.button__drow1::before {
    bottom: 0;
    left: 0;
    width: 0;
    height: 32px;
    border-radius: 16px;
    transform-origin: 16px 16px;
    transform: rotate(-60deg);
}

.button__drow1::after {
    top: -10px;
    left: 45px;
    width: 0;
    height: 32px;
    border-radius: 16px;
    transform-origin: 16px 16px;
    transform: rotate(69deg);
}

.button__drow2::before {
    bottom: 0;
    left: 0;
    width: 0;
    height: 32px;
    border-radius: 16px;
    transform-origin: 16px 16px;
    transform: rotate(-146deg);
}

.button__drow2::after {
    bottom: 26px;
    left: -40px;
    width: 0;
    height: 32px;
    border-radius: 16px;
    transform-origin: 16px 16px;
    transform: rotate(-262deg);
}

.button__drow1,
.button__drow1::before,
.button__drow1::after,
.button__drow2,
.button__drow2::before,
.button__drow2::after {
    background: var(--back_color);
}

.button:hover .button__drow1 {
    animation: drow1 ease-in 0.06s;
    animation-fill-mode: forwards;
}

.button:hover .button__drow1::before {
    animation: drow2 linear 0.08s 0.06s;
    animation-fill-mode: forwards;
}

.button:hover .button__drow1::after {
    animation: drow3 linear 0.03s 0.14s;
    animation-fill-mode: forwards;
}

.button:hover .button__drow2 {
    animation: drow4 linear 0.06s 0.2s;
    animation-fill-mode: forwards;
}

.button:hover .button__drow2::before {
    animation: drow3 linear 0.03s 0.26s;
    animation-fill-mode: forwards;
}

.button:hover .button__drow2::after {
    animation: drow5 linear 0.06s 0.32s;
    animation-fill-mode: forwards;
}

@keyframes drow1 {
    0% {
        height: 0;
    }

    100% {
        height: 100px;
    }
}

@keyframes drow2 {
    0% {
        width: 0;
        opacity: 0;
    }

    10% {
        opacity: 0;
    }

    11% {
        opacity: 1;
    }

    100% {
        width: 120px;
    }
}

@keyframes drow3 {
    0% {
        width: 0;
    }

    100% {
        width: 80px;
    }
}

@keyframes drow4 {
    0% {
        height: 0;
    }

    100% {
        height: 120px;
    }
}

@keyframes drow5 {
    0% {
        width: 0;
    }

    100% {
        width: 124px;
    }
}

.container {
    width: 100%;
    height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.button:not(:last-child) {
    margin-bottom: 64px;
}
</style>

<template>
    <div class="container">
        <a href="#" class="button type--C">
            <div class="button__line"></div>
            <div class="button__line"></div>
            <span class="button__text">录音输入</span>
            <div class="button__drow1"></div>
            <div class="button__drow2"></div>
        </a>
    </div>
</template>
